The traces left by the invasion of unearthly nature have become a harsh reality for this world. And one of these marks, called Visitation Zones, arose on the territory of... the USSR. Several decades after its inception, in Russia this Zone, inherited from the Union, still remains an incredible and dangerous phenomenon. An unfortunate fact that cannot be avoided, an insoluble problem that cannot be eliminated. And an integral part of the Russian bridgehead of a different reality are people who once, during the Soviet period, were called “delirious”, and now, like everywhere else, they are called stalkers. No matter how hard the authorities tried to “keep and not let” people into the Zone, they were and are always there. Daredevils who once wanted to take advantage of the unique chance available to every inhabitant of this world - to come face to face with the mysterious inexplicability that came to Earth from space...